we're going to start with bob pisani. risk seems to be back on in the market a little bit. >> that's a good point. for a long time the bears have been insisting that the global economy is not as healthy as this teflon stock market in the united states would indicate, and now they've got some ammunition. two companies from fed ex and from caterpillar. now, caterpillar had dismal three-month sales numbers. really shocked a lot of people. fed ex, of course, had disappointing earnings situation, lower than expected international volume. now people are saying, see, we told you. here are who big companies who are saying it's not as big as everybody said. deere got a downgrade from wells fargo. i'll talk more about that in the 2:00. a little bit of good news on housing. keeps rolling along. lenore, 34% increase in building. >> we'll see you back in a few minutes. ty, we'll send it back up to you. >> thank you very much. bob just gave you a very clear shot at the market picture, so what's driving it? well, obviously three develop